From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760080Ab3GaNdi (ORCPT ); Wed, 31 Jul 2013 09:33:38 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:47114 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759743Ab3GaN0D (ORCPT ); Wed, 31 Jul 2013 09:26:03 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Takashi Iwai" Date: Wed, 31 Jul 2013 15:23:09 +0200 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [41/84] ALSA: asihpi: Fix unlocked snd_pcm_stop() call In-Reply-To: X-SA-Exim-Connect-IP: 151.216.67.181 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.50-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai commit 60478295d6876619f8f47f6d1a5c25eaade69ee3 upstream. snd_pcm_stop() must be called in the PCM substream lock context. Signed-off-by: Takashi Iwai [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings --- sound/pci/asihpi/asihpi.c | 3 +++ 1 file changed, 3 insertions(+) --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -768,7 +768,10 @@ static void snd_card_asihpi_timer_functi s->number); ds->drained_count++; if (ds->drained_count > 2) { + unsigned long flags; + snd_pcm_stream_lock_irqsave(s, flags); snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock_irqrestore(s, flags); continue; } } else {